Meh, forgot to pass the userdata back on write callbacks.

diff --git a/src/python.c b/src/python.c
index 72c4ab6..3d2d3a8 100644 (file)
--- a/src/python.c
+++ b/src/python.c
@@ -129,7 +129,10 @@ static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_li
                                value_list->plugin_instance, value_list->type_instance, value_list->plugin,
                                value_list->host, (double) value_list->time, value_list->interval);
                Py_DECREF(list);
-               ret = PyObject_CallFunctionObjArgs(c->callback, v, (void *) 0);
+               if (c->data == NULL)
+                       ret = PyObject_CallFunctionObjArgs(c->callback, v, (void *) 0);
+               else
+                       ret = PyObject_CallFunctionObjArgs(c->callback, v, c->data, (void *) 0);
                if (ret == NULL) {
                        /* FIXME */
                        PyErr_Print();